Hi! I triggered this by mistake... "W" taint is from the WARN_ON() before. Pavel root@amd:~# setserial /dev/ttyBT baud_base $[115200*1] root@amd:~# echo $[115200/8] 14400 root@amd:~# hciattach -s 14400 /dev/ttyS0 bcsp 1440 divide error: 0000 [#1] SMP DEBUG_PAGEALLOC last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/firmware/0000:03:00.0/loading Modules linked in: Pid: 2058, comm: hciattach Tainted: G W (2.6.32-rc8-00165-g2471433-dirty #92) 17097HU EIP: 0060:[<c043de2f>] EFLAGS: 00010246 CPU: 1 EIP is at uart_get_divisor+0x1f/0x40 EAX: 001c2000 EBX: 00000000 ECX: c0f9bf40 EDX: 00000000 ESI: c0f9bf40 EDI: f6316550 EBP: c5fe7d0c ESP: c5fe7d08 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process hciattach (pid: 2058, ti=c5fe6000 task=f6096680 task.ti=c5fe6000) Stack: 00000013 c5fe7d3c c0442780 00000007 00007080 00000000 00000001 00000000 <0> 00000001 c03e1d6b c09e6d80 c0f9bf40 c5fe7d98 c5fe7d50 c043deaf f631f7f0 <0> c5fe7d98 f631f7f0 c5fe7d7c c043e57d f58fc7f0 f631f868 00001cb7 22222222 Call Trace: [<c0442780>] ? serial8250_set_termios+0x360/0x420 [<c03e1d6b>] ? set_termios+0xcb/0x430 [<c043deaf>] ? uart_change_speed+0x5f/0x90 [<c043e57d>] ? uart_set_termios+0x3d/0x250 [<c03e1efd>] ? set_termios+0x25d/0x430 [<c03e2560>] ? tty_mode_ioctl+0x3c0/0x5b0 [<c03dcf33>] ? tty_wakeup+0x33/0x70 [<c03e299b>] ? tty_ldisc_try+0x1b/0x50 [<c03e278a>] ? n_tty_ioctl_helper+0x3a/0x190 Dec 1 12:30:25 amd kernel: [<c0594c5e>] ? hci_uart_tty_ioctl+0x5e/0x240 Dec 1 12:30:25 amd kernel: [<c0594c00>] ? hci_uart_tty_ioctl+0x0/0x240 Dec 1 12:30:25 amd kernel: [<c0594c00>] ? hci_uart_tty_ioctl+0x0/0x240 Dec 1 12:30:25 amd kernel: [<c03dd1be>] ? tty_ioctl+0xae/0x880 Dec 1 12:30:25 amd kernel: [<c03dd110>] ? tty_ioctl+0x0/0x880 Dec 1 12:30:25 amd kernel: [<c02a4ae8>] ? vfs_ioctl+0x28/0x80 Dec 1 12:30:25 amd kernel: [<c02a4faa>] ? do_vfs_ioctl+0x39a/0x590 Dec 1 12:30:25 amd kernel: [<c0282037>] ? handle_mm_fault+0xe7/0x5e0 Dec 1 12:30:25 amd kernel: [<c0249646>] ? up_read+0x16/0x30 Dec 1 12:30:25 amd kernel: [<c02a51d9>] ? sys_ioctl+0x39/0x70 Dec 1 12:30:25 amd kernel: [<c0202e50>] ? sysenter_do_call+0x12/0x31 Dec 1 12:30:25 amd kernel: Code: 86 84 00 00 00 5e 5d c3 8d 74 26 00 55 81 fa 00 96 00 00 89 e5 89 c1 53 89 d3 74 18 8d 04 dd 00 00 00 00 31 d2 03 41 34 c1 e3 04 <f7> f3 5b 5d c3 8d 74 26 00 8b 40 7c 25 30 10 00 00 83 f8 30 75 Dec 1 12:30:25 amd kernel: EIP: [<c043de2f>] uart_get_divisor+0x1f/0x40 SS:ESP 0068:c5fe7d08 Dec 1 12:30:25 amd kernel: ---[ end trace bab0b3b26c16fcf6 ]--- -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html